Stand with HIOR as we set the standard for informed, self-reliant, and successful Rainwater Harvesters across Hawaiʻi.

Your donation advances Hawaiʻi’s Rainwater Harvesting future for example:

• $100 helps provide educational materials.

• $500 helps bring rainwater education into a community.

• $1,000 helps support research, workforce development, or technical-resource creation.

Even small recurring contributions help nonprofits demonstrate a dependable base of community support.

Outreach to underserved catchment communities, creating practical training resources, supporting school-based water education, and helping households confidently manage their household water supply systems.

Your donation supports the full infrastructure needed to strengthen Rainwater Harvesting across Hawaiʻi.

Join the Movement

Mahalo!